2,4,5-trimethylthiophene-3-carbaldehyde

Also known as: 2,4,5-Trimethyl-3-thiophenecarboxaldehyde, 2,4,5-trimethylthiophene-3-carboxaldehyde, 3-Thiophenecarboxaldehyde, 2,4,5-trimethyl-

2,4,5-trimethylthiophene-3-carbaldehyde (CAS 63826-44-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H10OS and a molecular weight of 154.22900 g/mol. Key properties include a boiling point of 242.3ºC at 760 mmHg, a density of 1.106g/cm3 and a flash point of 94.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 63826-44-8
Jingsj CID: J-904022-6
Molecular Formula: C₈H₁₀OS
Molecular Weight: 154.22900 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	242.3ºC at 760 mmHg
Density	1.106g/cm3
Flash Point	94.5ºC
Exact Mass	154.04500
PSA	45.31000
LogP	2.48580
Refractive Index	1.571

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 2,4,5-trimethylthiophene-3-carbaldehyde?

The CAS number of 2,4,5-trimethylthiophene-3-carbaldehyde is 63826-44-8.

What are the molecular formula and molecular weight of 2,4,5-trimethylthiophene-3-carbaldehyde?

2,4,5-trimethylthiophene-3-carbaldehyde has molecular formula C8H10OS and molecular weight 154.22900 g/mol.

What are the upstream and downstream products of 2,4,5-trimethylthiophene-3-carbaldehyde?

For 2,4,5-trimethylthiophene-3-carbaldehyde, Upstream Products: 2,3,5-Trimethylthiophene, Dichloromethyl n-butyl ether, 2,3-Dimethylthiophene.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "2,4,5-trimethylthiophene-3-carbaldehyde (CAS 63826-44-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-904022-6 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.